IDENTIFIERS

  • Current Taxon Name (Soil Name): Decatur
  • OSD
  • Series Extent
  • User Site ID: 00AL015001-pgm
  • User Pedon ID: 00AL015001-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S00AL-015-1
  • NCSS Pedon Lab Data NASIS Record ID - 24198
  • Print Date: 4/25/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 33.7347222
  • Std. Longitude: -85.9072222
  • Datum: WGS84
  • Location Description: 0.5 north of Cane Creek in the eastern part of training area 1D; Pelham Range, Fort McClellan; Calhoun County, AL; USGS Eulaton topographic quadrangle.
  • Non-MLRA Soil Survey Area: AL015—Calhoun County, Alabama

    • PEDON

  • Current Taxonomic Class: Fine, kaolinitic, thermic Rhodic paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Decatur
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/24/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Decatur
  • Classificaton Date - 7/1/2000
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, clayey residuum weathered from limestone & dolomite
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: summit
  • Slope Complexity: complex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/2000 (actual site observation date)
  • Air Photo ID:
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    23—203

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    3

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark reddish brown (5YR 3/3); 28 percent sand; 50 percent silt; 23 percent clay; moderate fine granular structure; friable; medium roots throughout and fine roots throughout; 5 percent faint clay films on all faces of peds; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # 0015-1-1; moist when described; observed in pit, small. patchy - phpvsfiid 414057; patchy - phpvsfiid 414057
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); dark reddish brown (2.5YR 3/4); 20 percent sand; 47 percent silt; 33 percent clay; weak medium subangular blocky structure; friable; medium roots throughout and fine roots throughout; 25 percent faint clay films on vertical faces of peds; fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # 0015-1-2; moist when described; observed in pit, small. continuous - phpvsfiid 414058; continuous - phpvsfiid 414058
    Bt2—36 to 86 centimeters (14.2 to 33.9 inches); dark red (2.5YR 3/6); 20 percent sand; 39 percent silt; 41 percent clay; moderate medium subangular blocky structure; firm; fine roots throughout; 3 percent by volume subangular quartzite fragments; very strongly acid, pH 4.6; gradual wavy boundary. Lab sample # 0015-1-3; moist when described; observed in pit, small
    Bt3—86 to 155 centimeters (33.9 to 61.0 inches); dark red (2.5YR 3/6); 21 percent sand; 30 percent silt; 49 percent clay; 2 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate medium subangular blocky structure; firm; fine roots throughout; 25 percent faint clay films on vertical faces of peds; fragments; very strongly acid, pH 5.0; clear wavy boundary. Lab sample # 0015-1-4; moist when described; observed in pit, small. discontinuous - phpvsfiid 414059; discontinuous - phpvsfiid 414059
    Bt4—155 to 190 centimeters (61.0 to 74.8 inches); red (2.5YR 4/6); 34 percent sand; 32 percent silt; 34 percent clay; 10 percent strong brown (7.5YR 5/8) fine prominent mottles; weak medium subangular blocky structure; friable; fine roots throughout; 25 percent faint clay films on vertical faces of peds; 5 percent by volume angular chert fragments; very strongly acid, pH 5.0; clear wavy boundary. Lab sample # 0015-1-5; moist when described; observed in auger, bucket. discontinuous - phpvsfiid 414060; discontinuous - phpvsfiid 414060
    BC—190 to 203 centimeters (74.8 to 79.9 inches); red (2.5YR 4/6); 42 percent sand; 23 percent silt; 34 percent clay; 25 percent strong brown (7.5YR 5/8) fine prominent mottles; weak coarse subangular blocky structure; very firm; fine roots throughout; 10 percent by volume angular chert fragments; strongly acid, pH 5.1. Lab sample # 0015-1-6; moist when described; observed in auger, bucket